一个css实例

<style type="text/css">
html, body {
    height: 100%;
}

body {
    margin: 0px;
    padding: 0px;
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    font-size: 11px;
    color: #A6CAE4;
}
* {
font-size:16px;
margin:0;
padding:0;
}
fieldset {
padding:10px;
margin:10px;
width:600px;
color:#333;
border:#06c dashed 1px;
}
legend {
color:#06c;
font-weight:800;
background:#fff;
}
ul {
list-style-type: none;
margin:8px 0 4px 0;
}
li {
margin-top:6px;
}
h1{
    color:#FFF;
    font-size:36px;
}
h2 {
    color:#FFF;
    font-size: 22px;
}

h3 {
    color:#FFF;
    font-weight: bold;
}
</style>